Paranormal Activity— Full Cast

Katie Featherston

as Katie Featherston

Micah Sloat

as Micah Sloat

Mark Fredrichs

as The Psychic

Amber Armstrong

as Amber

Ashley Palmer

as Diane

Crystal Cartwright

as Exorcism Nanny (uncredited)

Spencer Marks

as Dr. Johann Averies (uncredited)

Randy McDowell

as Lt. Randy Hudson (uncredited)

James Piper

as Richard (uncredited)